How to Fix Your Photo Stream Not Working on Mac?

Source: https://www.devicemag.com/photo-albums-not-syncing-to-icloud/

If you used Photo Stream there is a way you can save any images you have.

Source: https://www.thescottishsun.co.uk/tech/10742774/apple-shut-down-my-photo-stream-iphone-icloud/

The photos are only stored for 30 days in the My Photo Stream and are then deleted.

Source: https://centralrecorder.com/check-your-iphone-as-apple-prepares-to-delete-photos-after-major-feature-killed-youve-only-got-days-to-save-them/

You can use My Photo Stream to upload photos and videos from the last 30 days — up to a maximum of 1,000 — from your Apple devices to iCloud.

Source: https://www.mutiny.in/apples-free-my-photo-stream-service-will-be-shutting-down-on-july-26/